#pragma once

#include <iostream>
#include <string>

#define Die(code) do{exit(code);} while(0)

#define CONV(v) (struct sockaddr*)(v)

enum
{
    USAGE_ERR = 1,
    SOCKET_ERR,
    BIND_ERR,
    LISTEN_ERR
};


const int gdefaultsockfd = -1;
const int gbacklog = 8;

bool ParseOneLine(std::string &str, std::string *out, const std::string &sep)
{
    auto pos = str.find(sep); // 找分隔符
    if(pos == std::string::npos) return false;
    *out == str.substr(0, pos); // [0, pos)
    str.erase(0, pos + sep.size()); // 清空
    return true;
}